Electrostatics Question 486

Question: A charge produces an electric field of 1 N/C at a point distant 0.1 m from it. The magnitude of charge is [RPET 2002]

Options:

A) 1.11×1012C

B) 9.11×1012C

C) 7.11×106C

D) None of these

Show Answer

Answer:

Correct Answer: A

Solution:

E=9×109Qr2

therefore Q=E×r29×109=1×(0.1)29×109=1.11×1012C



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